diff --git a/include/linux/sched.h b/include/linux/sched.h index 2bbf968b23d9b62cdc58094f5799db09ecc51ff2..f8650314ba2f5e0598ac0a6319f27a9f8c3c622f 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1233,32 +1233,34 @@ static inline void task_unlock(struct task_struct *p) spin_unlock(&p->alloc_lock); } +#define task_thread_info(task) (task)->thread_info + /* set thread flags in other task's structures * - see asm/thread_info.h for TIF_xxxx flags available */ static inline void set_tsk_thread_flag(struct task_struct *tsk, int flag) { - set_ti_thread_flag(tsk->thread_info,flag); + set_ti_thread_flag(task_thread_info(tsk), flag); } static inline void clear_tsk_thread_flag(struct task_struct *tsk, int flag) { - clear_ti_thread_flag(tsk->thread_info,flag); + clear_ti_thread_flag(task_thread_info(tsk), flag); } static inline int test_and_set_tsk_thread_flag(struct task_struct *tsk, int flag) { - return test_and_set_ti_thread_flag(tsk->thread_info,flag); + return test_and_set_ti_thread_flag(task_thread_info(tsk), flag); } static inline int test_and_clear_tsk_thread_flag(struct task_struct *tsk, int flag) { - return test_and_clear_ti_thread_flag(tsk->thread_info,flag); + return test_and_clear_ti_thread_flag(task_thread_info(tsk), flag); } static inline int test_tsk_thread_flag(struct task_struct *tsk, int flag) { - return test_ti_thread_flag(tsk->thread_info,flag); + return test_ti_thread_flag(task_thread_info(tsk), flag); } static inline void set_tsk_need_resched(struct task_struct *tsk) @@ -1329,12 +1331,12 @@ extern void signal_wake_up(struct task_struct *t, int resume_stopped); static inline unsigned int task_cpu(const struct task_struct *p) { - return p->thread_info->cpu; + return task_thread_info(p)->cpu; } static inline void set_task_cpu(struct task_struct *p, unsigned int cpu) { - p->thread_info->cpu = cpu; + task_thread_info(p)->cpu = cpu; } #else diff --git a/kernel/exit.c b/kernel/exit.c index 452a1d1161782130204c934542aa2cb7f5f44b25..ee515683b92db35decaaeea608d9be919bb73f33 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -859,7 +859,7 @@ fastcall NORET_TYPE void do_exit(long code) if (group_dead && tsk->signal->leader) disassociate_ctty(1); - module_put(tsk->thread_info->exec_domain->module); + module_put(task_thread_info(tsk)->exec_domain->module); if (tsk->binfmt) module_put(tsk->binfmt->module); diff --git a/kernel/fork.c b/kernel/fork.c index 158710d22566006a36e6fbfb2583641eea24369e..7ef352ce347b8f16ee61e7f0026d1ae10d97fe57 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -919,7 +919,7 @@ static task_t *copy_process(unsigned long clone_flags, if (nr_threads >= max_threads) goto bad_fork_cleanup_count; - if (!try_module_get(p->thread_info->exec_domain->module)) + if (!try_module_get(task_thread_info(p)->exec_domain->module)) goto bad_fork_cleanup_count; if (p->binfmt && !try_module_get(p->binfmt->module)) @@ -1180,7 +1180,7 @@ static task_t *copy_process(unsigned long clone_flags, if (p->binfmt) module_put(p->binfmt->module); bad_fork_cleanup_put_domain: - module_put(p->thread_info->exec_domain->module); + module_put(task_thread_info(p)->exec_domain->module); bad_fork_cleanup_count: put_group_info(p->group_info); atomic_dec(&p->user->processes); diff --git a/kernel/sched.c b/kernel/sched.c index b6506671b2be08c8da0a5582800d3ec0fffc7280..831f7e9d8f1cfd0d4b61b8d3e81cad5e70cfcd51 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -1437,7 +1437,7 @@ void fastcall sched_fork(task_t *p, int clone_flags) #endif #ifdef CONFIG_PREEMPT /* Want to start with kernel preemption disabled. */ - p->thread_info->preempt_count = 1; + task_thread_info(p)->preempt_count = 1; #endif /* * Share the timeslice between parent and child, thus the @@ -4410,9 +4410,9 @@ void __devinit init_idle(task_t *idle, int cpu) /* Set the preempt count _outside_ the spinlocks! */ #if defined(CONFIG_PREEMPT) && !defined(CONFIG_PREEMPT_BKL) - idle->thread_info->preempt_count = (idle->lock_depth >= 0); + task_thread_info(idle)->preempt_count = (idle->lock_depth >= 0); #else - idle->thread_info->preempt_count = 0; + task_thread_info(idle)->preempt_count = 0; #endif }